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Subject[PATCH net-next 18/30] net: dsa: mt7530: remove .mac_port_config for MT7988 and make it optional
Date
From: Arınç ÜNAL <arinc.unal@arinc9.com>

For the switch on the MT7988 SoC, the code in mac_port_config for MT7988 is
not needed as the interface of the CPU port is already handled on
mt7988_mac_port_get_caps().

Make .mac_port_config optional. Before calling
priv->info->mac_port_config(), if there's no mac_port_config member in the
priv->info table, exit mt753x_mac_config() successfully.

Remove mac_port_config from the sanity check as the sanity check requires a
pointer to a mac_port_config function to be non-NULL. This will fail for
MT7988 as mac_port_config won't be a member of its info table.

Co-developed-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
---
drivers/net/dsa/mt7530.c | 18 ++++--------------
1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index f017cc028183..99f5da8b27be 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2614,17 +2614,6 @@ static bool mt753x_is_mac_port(u32 port)
return (port == 5 || port == 6);
}

-static int
-mt7988_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
- phy_interface_t interface)
-{
- if (dsa_is_cpu_port(ds, port) &&
- interface == PHY_INTERFACE_MODE_INTERNAL)
- return 0;
-
- return -EINVAL;
-}
-
static int
mt7531_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
phy_interface_t interface)
@@ -2665,6 +2654,9 @@ mt753x_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
{
struct mt7530_priv *priv = ds->priv;

+ if (!priv->info->mac_port_config)
+ return 0;
+
return priv->info->mac_port_config(ds, port, mode, state->interface);
}

@@ -3108,7 +3100,6 @@ const struct mt753x_info mt753x_table[] = {
.phy_write_c45 = mt7531_ind_c45_phy_write,
.cpu_port_config = mt7988_cpu_port_config,
.mac_port_get_caps = mt7988_mac_port_get_caps,
- .mac_port_config = mt7988_mac_config,
},
};
EXPORT_SYMBOL_GPL(mt753x_table);
@@ -3136,8 +3127,7 @@ mt7530_probe_common(struct mt7530_priv *priv)
* properly.
*/
if (!priv->info->sw_setup || !priv->info->phy_read_c22 ||
- !priv->info->phy_write_c22 || !priv->info->mac_port_get_caps ||
- !priv->info->mac_port_config)
+ !priv->info->phy_write_c22 || !priv->info->mac_port_get_caps)
return -EINVAL;

priv->id = priv->info->id;
--
2.39.2
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